NP Blog
Quieting the GR86 & BRZ: How Firewall V-Braces Reduce Annoying Cabin Resonance
The Toyobaru twins (Toyota GR86 & Subaru BRZ) aren't quiet cars, and no one who buys one should expect the same level of interior refinement and isolation as a Lexus. One of the tradeoffs for them being affordable, lightweight sports coupes is the minimal amount of heavy noise-deadening material added on the assembly line. But, it's still possible to make noticeable improvements without tradeoffs.
The Difference Between Loud and Annoying Noises
On the highway, your ears process various frequ
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Jun 15, 2026